Injection apparatus having a needle cassette for delivering a pharmaceutical liquid

The hypodermic needle cassette which the instrument which medicates a patient with a medical fluid is stored by an external casing and the casing, and contains the parallel medicine hypodermic needle of each other [plurality], The medicine cartridge which has an opening in which the seal for being stored by the casing and accessing a liquid, including a liquid is possible, The medicine cartridge and the direct drive assembly in which engaging of clutch is possible which are stored by the casing and emit the liquid of the dosage measured through the opening, While having accessed the liquid in a medicine cartridge through the opening which can be sealed, Take out partially one of two or more of the hypodermic needles outside from a casing, and it drives to a patient, The hypodermic needle cassette and the lifter assembly in which engaging of clutch is possible which draw out a hypodermic needle from a patient while the liquid of the dosage measured after that was prescribed for the patient through the hypodermic needle and has suspended access to a liquid through the opening which can be sealed, The computer means for operating the motor means, and the direct drive assembly and the lifter assembly for driving a direct drive assembly and a lifter assembly and the control panel in which the user can operate an instrument are included.